In addition to the arguments listed above, the following computed attributes are
exported:

rotation_period - Every time this period passes, generate a new CryptoKeyVersion and set it as
the primary. The first rotation will take place after the specified period. The rotation period has the format
of a decimal number with up to 9 fractional digits, followed by the letter s (seconds).

self_link - The self link of the created CryptoKey. Its format is projects/{projectId}/locations/{location}/keyRings/{keyRingName}/cryptoKeys/{cryptoKeyName}.